The Body,valve, cataloged under National Stock Number 4820-01-012-9157, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rogerson Aircraft Equipment Group. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-012-9157 |
| Primary Part Number | 21209 |
| Item Name | Body,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Rogerson Aircraft Equipment Group |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 21209 PRIMARY | Rogerson Aircraft Equipment Group (USA) |
| Reference | Meaning |
|---|---|
| 21209 | 5/1 Secondary reference Northrop Grumman Systems Corporation |
NSN 4820-01-012-9157 is a Body,valve, manufactured by Rogerson Aircraft Equipment Group, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-012-9157 has 1 manufacturer part number on file: 21209 (Rogerson Aircraft Equipment Group).
1 possible match (shared part number, not a government interchangeability claim): 6550-01-340-4449. Verify interchangeability with system specifications before substitution.
Key specifications for 21209: Special Features: 6061-T6 ALUMINUM ALLOY; 0.600 IN. NOMINAL OVERALL LENGTH; 0.688 IN. NOMINAL HEX WIDTH MODEL NO. A10A AIRCRAFT IN; End Item Identification: A10A AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4820-01-012-9157 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.